/* NUTRI SOFY S.A. · Propuesta de rediseño (SimCodec) · contenido provisional */

@font-face { font-family: 'Inter Tight'; src: url('fonts/inter-tight-700-normal.woff2') format('woff2'); font-weight: 700; font-style: normal; font-display: swap; }
@font-face { font-family: 'Inter Tight'; src: url('fonts/inter-tight-800-normal.woff2') format('woff2'); font-weight: 800; font-style: normal; font-display: swap; }
@font-face { font-family: 'Inter'; src: url('fonts/inter-400-normal.woff2') format('woff2'); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: 'Inter'; src: url('fonts/inter-500-normal.woff2') format('woff2'); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: 'Inter'; src: url('fonts/inter-600-normal.woff2') format('woff2'); font-weight: 600; font-style: normal; font-display: swap; }
@font-face { font-family: 'Instrument Serif'; src: url('fonts/instrument-serif-400-normal.woff2') format('woff2'); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: 'Instrument Serif'; src: url('fonts/instrument-serif-400-italic.woff2') format('woff2'); font-weight: 400; font-style: italic; font-display: swap; }

:root {
  --hondo: #0F2F28;
  --hondo-2: #0A241E;
  --verde: #1F5C4E;
  --verde-claro: #9FC7B8;
  --crema: #F4EBDA;
  --suave: #D3E1D9;
  --oro: #F0B96B;
  --terracota: #E8A07E;
  --linea: rgba(244, 235, 218, 0.22);
  --aviso-h: 32px;
  --barra-h: 64px;
  --cab: calc(var(--aviso-h) + var(--barra-h));
  --pad: clamp(20px, 4.4vw, 64px);
  --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --display: 'Inter Tight', 'Inter', system-ui, sans-serif;
  --serif: 'Instrument Serif', Georgia, 'Times New Roman', serif;
  --ease: cubic-bezier(0.2, 0.7, 0.1, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: auto; background: var(--hondo); }
body {
  margin: 0;
  background: var(--hondo);
  color: var(--crema);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
button, input, textarea { font: inherit; color: inherit; }
svg { fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
:focus-visible { outline: 2px solid var(--oro); outline-offset: 3px; border-radius: 4px; }
p, h1, h2, h3, dl, dd, ul, ol { margin: 0; padding: 0; }
ul, ol { list-style: none; }

.saltar { position: absolute; left: 12px; top: -64px; z-index: 600; background: var(--crema); color: var(--hondo); padding: 10px 16px; border-radius: 8px; font-weight: 600; }
.saltar:focus { top: calc(var(--cab) + 8px); }

/* ========= FONDO: respaldo, escena y velo ========= */
.respaldo {
  position: fixed; inset: 0; z-index: 0;
  background: var(--hondo) url('assets/respaldo.svg') 72% 50% / cover no-repeat;
}
#escena {
  position: fixed; inset: 0; z-index: 1;
  width: 100%; height: 100%;
  opacity: 0;
  transition: opacity 1.5s ease;
}
.escena-lista #escena { opacity: 1; }
.sin-webgl #escena { display: none; }

.velo {
  position: fixed; inset: 0; z-index: 2; pointer-events: none;
  background:
    linear-gradient(180deg, rgba(10, 36, 30, 0.78) 0, rgba(10, 36, 30, 0) 190px),
    linear-gradient(90deg, rgba(10, 36, 30, 0.97) 0%, rgba(10, 36, 30, 0.95) 32%, rgba(10, 36, 30, 0.82) 46%, rgba(10, 36, 30, 0.38) 62%, rgba(10, 36, 30, 0) 80%);
}
.grano {
  position: fixed; inset: 0; z-index: 4; pointer-events: none; opacity: 0.045; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ========= CABECERA ========= */
.cab { position: fixed; top: 0; left: 0; right: 0; z-index: 100; view-transition-name: cabecera; }
.aviso {
  height: var(--aviso-h);
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 0 var(--pad);
  background: var(--hondo-2);
  border-bottom: 1px solid rgba(244, 235, 218, 0.1);
  font-size: 0.75rem; line-height: 1;
  color: var(--suave);
  white-space: nowrap;
}
.aviso__texto { overflow: hidden; text-overflow: ellipsis; min-width: 0; }
.modelos { display: flex; align-items: center; gap: 10px; flex: none; }
.modelos__titulo { color: var(--verde-claro); }
.modelos__lista { display: flex; gap: 2px; }
.modelos__enlace { text-decoration: none; padding: 5px 9px; border-radius: 99px; color: var(--suave); transition: background 0.25s, color 0.25s; }
.modelos__enlace:hover { background: rgba(244, 235, 218, 0.12); color: #fff; }
.modelos__enlace[aria-current="page"] { background: rgba(240, 185, 107, 0.16); color: var(--oro); }

.cab__barra {
  height: var(--barra-h);
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 0 var(--pad);
  transition: background 0.4s, backdrop-filter 0.4s;
}
.cab.cab--fondo .cab__barra { background: rgba(10, 36, 30, 0.84); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.marca { text-decoration: none; display: inline-flex; align-items: baseline; gap: 8px; }
.marca__nombre { font-family: var(--serif); font-size: 1.85rem; line-height: 1; letter-spacing: 0.01em; }
.marca__sa { font-family: var(--display); font-weight: 700; font-size: 0.62rem; letter-spacing: 0.18em; color: var(--oro); }
.nav__lista { display: flex; gap: clamp(18px, 3vw, 44px); }
.nav__enlace { position: relative; text-decoration: none; font-weight: 500; font-size: 0.92rem; padding: 8px 2px; color: var(--suave); transition: color 0.25s; }
.nav__enlace::after { content: ''; position: absolute; left: 0; right: 0; bottom: 2px; height: 1.5px; background: var(--oro); transform: scaleX(0); transform-origin: left; transition: transform 0.4s var(--ease); }
.nav__enlace:hover, .nav__enlace[aria-current="page"] { color: #fff; }
.nav__enlace:hover::after, .nav__enlace[aria-current="page"]::after { transform: scaleX(1); }

.menu-btn { display: none; width: 44px; height: 44px; background: transparent; border: 1px solid var(--linea); border-radius: 50%; cursor: pointer; position: relative; }
.menu-btn span { position: absolute; left: 13px; right: 13px; height: 1.5px; background: var(--crema); transition: transform 0.35s var(--ease), top 0.35s var(--ease); }
.menu-btn span:first-child { top: 18px; }
.menu-btn span:last-child { top: 25px; }
.menu-btn[aria-expanded="true"] span:first-child { top: 21.5px; transform: rotate(45deg); }
.menu-btn[aria-expanded="true"] span:last-child { top: 21.5px; transform: rotate(-45deg); }

.menu-movil {
  position: fixed; inset: 0; z-index: 90; background: var(--hondo-2);
  padding: calc(var(--cab) + 32px) var(--pad) 32px;
  display: flex; flex-direction: column; justify-content: space-between;
  clip-path: circle(0 at calc(100% - 44px) 78px);
  visibility: hidden;
  transition: clip-path 0.7s var(--ease), visibility 0s 0.7s;
}
.menu-movil.abierto { clip-path: circle(150% at calc(100% - 44px) 78px); visibility: visible; transition: clip-path 0.7s var(--ease); }
.menu-movil__lista a { display: flex; align-items: baseline; gap: 18px; text-decoration: none; font-family: var(--serif); font-size: clamp(2.6rem, 12vw, 4rem); line-height: 1.25; }
.menu-movil__lista a span { font-family: var(--display); font-weight: 700; font-size: 0.8rem; letter-spacing: 0.14em; color: var(--oro); }
.menu-movil__pie { color: var(--verde-claro); font-size: 0.9rem; }

/* ========= SECCIONES ========= */
main { position: relative; z-index: 3; }
.seccion {
  min-height: 100vh; min-height: 100svh;
  display: flex; align-items: center;
  padding: calc(var(--cab) + 40px) var(--pad) 72px;
  position: relative;
}
.seccion--hero { padding-top: calc(var(--cab) + 24px); }
.bloque { width: min(560px, 100%); }
.bloque--ancho { width: min(680px, 100%); }

.etiqueta { display: inline-flex; align-items: center; gap: 12px; font-family: var(--display); font-weight: 700; font-size: 0.74rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--oro); margin-bottom: 22px; }
.etiqueta__n { display: inline-grid; place-items: center; min-width: 34px; height: 34px; padding: 0 8px; border: 1px solid rgba(240, 185, 107, 0.55); border-radius: 99px; letter-spacing: 0.06em; }
.etiqueta--pildora { gap: 14px; padding: 8px 16px; border: 1px solid var(--linea); border-radius: 99px; color: var(--crema); letter-spacing: 0.16em; background: rgba(244, 235, 218, 0.05); }
.etiqueta__lugar { color: var(--verde-claro); letter-spacing: 0.1em; font-weight: 600; text-transform: none; font-family: var(--sans); font-size: 0.8rem; }
.etiqueta__lugar::before { content: ''; display: inline-block; width: 4px; height: 4px; border-radius: 50%; background: var(--oro); vertical-align: middle; margin-right: 12px; }

.titulo { font-family: var(--serif); font-weight: 400; font-size: clamp(2.5rem, 4.4vw, 4.2rem); line-height: 1.02; letter-spacing: -0.012em; margin-bottom: 26px; text-wrap: balance; }
.titulo em { font-style: italic; color: var(--oro); }
.titulo--hero { font-size: clamp(3.1rem, 7.4vw, 6.9rem); line-height: 0.96; margin-bottom: 30px; }
.titulo--medio { font-size: clamp(2.6rem, 4.8vw, 4.6rem); }
.lead { font-size: clamp(1rem, 1.25vw, 1.12rem); line-height: 1.7; color: var(--suave); max-width: 520px; margin-bottom: 32px; }

.linea { display: block; overflow: hidden; padding-bottom: 0.1em; margin-bottom: -0.1em; }
.linea__in { display: block; will-change: transform; }

/* entrada al cargar (CSS puro: no depende de que cargue el JS) */
.js .linea__in { animation: sube 1.1s var(--ease) both; animation-delay: calc(var(--retardo, 0.45s) + var(--i, 0) * 0.1s); }
.js .linea:nth-child(2) .linea__in { --i: 1; }
.js .linea:nth-child(3) .linea__in { --i: 2; }
.js [data-entra] { animation: aparece 1s var(--ease) both; animation-delay: calc(var(--retardo, 0.45s) + 0.35s); }
.js .lead[data-entra] { animation-delay: calc(var(--retardo, 0.45s) + 0.5s); }
.js .acciones[data-entra], .js .form[data-entra] { animation-delay: calc(var(--retardo, 0.45s) + 0.65s); }
.js .lugar[data-entra], .js .bajar[data-entra] { animation-delay: calc(var(--retardo, 0.45s) + 0.9s); }
@keyframes sube { from { transform: translateY(108%); } to { transform: none; } }
@keyframes aparece { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }

/* ========= BOTONES ========= */
.acciones { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 26px; }
.btn { position: relative; display: inline-flex; align-items: center; gap: 12px; padding: 15px 24px; border-radius: 99px; font-weight: 600; font-size: 0.95rem; text-decoration: none; line-height: 1.2; border: 1px solid transparent; cursor: pointer; transition: background 0.3s, color 0.3s, border-color 0.3s, transform 0.4s var(--ease); will-change: transform; }
.btn svg { flex: none; transition: transform 0.4s var(--ease); }
.btn:hover svg { transform: translateX(5px); }
.btn--principal { background: var(--oro); color: var(--hondo); }
.btn--principal:hover { background: var(--crema); }
.btn--claro { border-color: rgba(244, 235, 218, 0.5); color: var(--crema); background: rgba(244, 235, 218, 0.04); }
.btn--claro:hover { background: var(--crema); color: var(--hondo); }
.btn--enlace { padding: 15px 2px; border-radius: 0; color: var(--crema); border-bottom: 1px solid var(--linea); }
.btn--enlace:hover { border-color: var(--oro); color: var(--oro); }

.bajar { position: absolute; left: var(--pad); bottom: 26px; display: inline-flex; align-items: center; gap: 14px; font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase; text-decoration: none; color: var(--suave); }
.bajar i { display: block; width: 1px; height: 38px; background: linear-gradient(var(--oro), transparent); transform-origin: top; animation: gotea 2.2s ease-in-out infinite; }
@keyframes gotea { 0% { transform: scaleY(0); } 50% { transform: scaleY(1); } 100% { transform: scaleY(1); opacity: 0; } }

/* ========= CONTENIDOS ========= */
.datos { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-top: 1px solid var(--linea); }
.datos div { padding: 16px 18px 16px 0; border-bottom: 1px solid var(--linea); }
.datos div:nth-child(even) { padding-left: 18px; border-left: 1px solid var(--linea); }
.datos dt { font-size: 0.7rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--verde-claro); margin-bottom: 4px; font-weight: 600; }
.datos dd { font-family: var(--serif); font-size: 1.35rem; line-height: 1.2; }

.mini { display: grid; gap: 0; margin-bottom: 34px; border-top: 1px solid var(--linea); }
.mini li { display: flex; gap: 18px; align-items: flex-start; padding: 20px 0; border-bottom: 1px solid var(--linea); }
.mini svg { flex: none; width: 46px; height: 46px; padding: 10px; border: 1px solid rgba(240, 185, 107, 0.5); border-radius: 50%; color: var(--oro); }
.mini h3, .tarjeta h3 { font-family: var(--serif); font-weight: 400; font-size: 1.7rem; line-height: 1.15; margin-bottom: 4px; }
.mini p { color: var(--suave); font-size: 0.95rem; }

.tarjeta__icono { width: 64px; height: 64px; display: grid; place-items: center; border: 1px solid rgba(240, 185, 107, 0.55); border-radius: 50%; color: var(--oro); margin-bottom: 28px; transition: transform 0.6s var(--ease), background 0.3s; }
.tarjeta__icono svg { width: 30px; height: 30px; }
.tarjeta:hover .tarjeta__icono { transform: rotate(-8deg) scale(1.06); background: rgba(240, 185, 107, 0.1); }

/* formulario */
.form { display: grid; gap: 16px; margin-bottom: 30px; }
.form__fila { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.campo label { display: block; font-size: 0.82rem; font-weight: 500; color: var(--suave); margin-bottom: 6px; }
.campo input, .campo textarea { width: 100%; background: rgba(244, 235, 218, 0.07); border: 1px solid rgba(244, 235, 218, 0.4); border-radius: 12px; padding: 13px 15px; color: var(--crema); transition: border-color 0.25s, background 0.25s; resize: vertical; }
.campo textarea { min-height: 96px; }
.campo input:focus, .campo textarea:focus { outline: none; border-color: var(--oro); background: rgba(244, 235, 218, 0.11); box-shadow: 0 0 0 3px rgba(240, 185, 107, 0.2); }
.campo input[aria-invalid="true"] { border-color: #FFB4A0; }
.campo__error { min-height: 0; font-size: 0.8rem; color: #FFB9A6; margin-top: 4px; }
.campo__error:empty { display: none; }
.form__pie { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 22px; }
.form__nota { font-size: 0.82rem; color: var(--verde-claro); }
.form__estado { font-size: 0.95rem; color: var(--oro); }
.form__estado:empty { display: none; }
.lugar { display: flex; align-items: center; gap: 12px; color: var(--suave); font-size: 0.88rem; padding-top: 20px; border-top: 1px solid var(--linea); }
.lugar svg { flex: none; color: var(--oro); }

/* riel de avance */
.riel { position: fixed; right: 26px; top: 50%; transform: translateY(-50%); z-index: 20; display: grid; gap: 14px; }
.riel li { width: 7px; height: 7px; border-radius: 99px; background: rgba(244, 235, 218, 0.4); transition: height 0.5s var(--ease), background 0.4s; }
.riel li.on { height: 30px; background: var(--oro); }

/* ========= PIE ========= */
.pie { position: relative; z-index: 3; background: var(--hondo-2); border-top: 1px solid var(--linea); padding: 56px var(--pad) 44px; }
.pie__rejilla { max-width: 1280px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1.4fr 1fr; gap: 32px 48px; align-items: start; }
.pie__marca { font-family: var(--serif); font-size: 2rem; line-height: 1; margin-bottom: 12px; }
.pie__datos, .pie__aviso { font-size: 0.88rem; color: var(--suave); }
.selector__titulo { display: block; font-size: 0.7rem; letter-spacing: 0.16em; text-transform: uppercase; font-weight: 600; color: var(--verde-claro); margin-bottom: 10px; }
.selector__lista { display: flex; flex-wrap: wrap; gap: 8px; }
.selector__lista a { display: inline-block; padding: 7px 13px; border: 1px solid var(--linea); border-radius: 99px; font-size: 0.82rem; text-decoration: none; color: var(--suave); transition: background 0.25s, color 0.25s, border-color 0.25s; }
.selector__lista a:hover { background: rgba(244, 235, 218, 0.12); color: #fff; }
.selector__lista a[aria-current="page"] { border-color: rgba(240, 185, 107, 0.6); color: var(--oro); }

/* ========= CORTINA (respaldo de transición) ========= */
.cortina {
  position: fixed; inset: 0; z-index: 500; pointer-events: none; visibility: hidden;
  background: linear-gradient(100deg, rgba(31, 92, 78, 0) 0%, #1F5C4E 10%, #B0593A 30%, #E58B69 46%, #F0B96B 60%, #FFE2B0 76%, rgba(255, 226, 176, 0) 100%);
  width: 240%; transform: translateX(-100%);
}

.entra-cortina .cortina { visibility: visible; transform: translateX(-22.9%); }

/* ========= TRANSICIONES ENTRE DOCUMENTOS ========= */
@media (prefers-reduced-motion: no-preference) {
  @view-transition { navigation: auto; }
}
::view-transition { background: var(--hondo); }
::view-transition-group(cabecera) { animation: none; }
::view-transition-old(cabecera), ::view-transition-new(cabecera) { animation: none; mix-blend-mode: normal; }
::view-transition-old(root), ::view-transition-new(root) { animation-duration: 0.95s; animation-timing-function: cubic-bezier(0.65, 0, 0.35, 1); mix-blend-mode: normal; }
::view-transition-old(root) { animation-name: luz-sale; }
::view-transition-new(root) {
  animation-name: luz-barre;
  -webkit-mask-image: linear-gradient(105deg, #000 0%, #000 40%, transparent 60%);
  mask-image: linear-gradient(105deg, #000 0%, #000 40%, transparent 60%);
  -webkit-mask-size: 290% 100%; mask-size: 290% 100%;
  -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat;
}
@keyframes luz-sale {
  0% { filter: none; }
  100% { filter: brightness(1.35) sepia(0.7) saturate(1.8) hue-rotate(-8deg); }
}
@keyframes luz-barre {
  from { -webkit-mask-position: 100% 0; mask-position: 100% 0; filter: brightness(1.5) sepia(0.8) saturate(1.8); }
  to { -webkit-mask-position: 0 0; mask-position: 0 0; filter: none; }
}

/* ========= RESPONSIVE ========= */
@media (max-width: 1100px) {
  .modelos__titulo { display: none; }
  .velo { background:
    linear-gradient(180deg, rgba(10, 36, 30, 0.78) 0, rgba(10, 36, 30, 0) 190px),
    linear-gradient(90deg, rgba(10, 36, 30, 0.97) 0%, rgba(10, 36, 30, 0.93) 40%, rgba(10, 36, 30, 0.6) 62%, rgba(10, 36, 30, 0) 86%); }
  .riel { right: 14px; }
}
@media (max-width: 900px) {
  .aviso__texto { display: none; }
  .aviso { justify-content: flex-end; }
  .modelos__titulo { display: inline; }
  .nav { display: none; }
  .menu-btn { display: block; }
  .pie__rejilla { grid-template-columns: 1fr; }
}
@media (max-width: 759px) {
  :root { --barra-h: 58px; }
  .aviso { justify-content: flex-start; overflow-x: auto; scrollbar-width: none; }
  .aviso::-webkit-scrollbar { display: none; }
  .aviso__texto { display: block; flex: none; }
  .modelos__titulo { display: none; }
  .velo { background: linear-gradient(180deg, rgba(10, 36, 30, 0.86) 0, rgba(10, 36, 30, 0) 150px); }
  .riel { display: none; }
  .seccion { align-items: flex-end; padding: calc(var(--cab) + 24px) 16px 20px; min-height: 100vh; min-height: 100svh; }
  .seccion--hero { padding-bottom: 22px; }
  .seccion--contacto { align-items: flex-start; }
  .bloque, .bloque--ancho { width: 100%; background: rgba(10, 36, 30, 0.88); border: 1px solid rgba(244, 235, 218, 0.12); border-radius: 20px; padding: 24px 20px 26px; -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
  .titulo { font-size: clamp(2.2rem, 10.4vw, 3rem); margin-bottom: 18px; }
  .titulo--hero { font-size: clamp(2.6rem, 12.6vw, 3.6rem); margin-bottom: 18px; }
  .titulo--medio { font-size: clamp(2.2rem, 10.4vw, 3rem); }
  .lead { margin-bottom: 22px; font-size: 0.98rem; line-height: 1.6; }
  .etiqueta { margin-bottom: 16px; }
  .etiqueta--pildora { flex-wrap: wrap; gap: 4px 12px; padding: 7px 14px; }
  .bajar { display: none; }
  .btn { padding: 14px 20px; font-size: 0.92rem; }
  .datos dd { font-size: 1.15rem; }
  .datos div { padding: 12px 12px 12px 0; }
  .datos div:nth-child(even) { padding-left: 12px; }
  .form__fila { grid-template-columns: 1fr; }
  .tarjeta__icono { width: 52px; height: 52px; margin-bottom: 18px; }
  .pie { padding: 40px 20px 36px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-delay: 0ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  #escena { transition: none; }
}

@media (max-height: 780px) and (min-width: 760px) {
  .titulo { font-size: clamp(2.3rem, 3.9vw, 3.6rem); margin-bottom: 18px; }
  .titulo--hero { font-size: clamp(3rem, 6.6vw, 6rem); margin-bottom: 22px; }
  .lead { margin-bottom: 22px; }
  .etiqueta { margin-bottom: 16px; }
  .datos div { padding-top: 11px; padding-bottom: 11px; }
  .datos dd { font-size: 1.2rem; }
  .mini li { padding: 15px 0; }
  .mini { margin-bottom: 24px; }
  .seccion { padding-top: calc(var(--cab) + 24px); padding-bottom: 48px; }
}